<!DOCTYPE html>
<html>
<head>
    <title>Test File Upload</title>
</head>
<body>
<h1>Upload a File</h1>
<form action="http://127.0.0.1:8080/upload" method="post" enctype="multipart/form-data">
    <input type="file" name="file">
    <button type="submit">Upload</button>
</form>
</body>
</html>
